> That's to Mozilla's advantage, given that no company in the world has more historical experience reverse-engineering browsers. :P I'd claim Opera (or rather

> That's to Mozilla's advantage, given that no company in the world has more historical experience reverse-engineering browsers. :P I'd claim Opera (or rather the consortium that now own the Opera browser) have the most experience of reverse-engineering browsers, given Firefox's market-share solved a lot of the site-compat issues a long time before Opera gained market-share (oh, wait, it never did significantly after the rise of IE). On the other hand, almost nobody from the old Presto team is still at Opera, so… ;P